2122020000123 has 4 divisors (see below), whose sum is σ = 2829360000168. Its totient is φ = 1414680000080.

The previous prime is 2122020000119. The next prime is 2122020000251. The reversal of 2122020000123 is 3210000202212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122020000123 - 2² = 2122020000119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122020000103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353670000018 + ... + 353670000023.

It is an arithmetic number, because the mean of its divisors is an integer number (707340000042).

Almost surely, 2^{2122020000123} is an apocalyptic number.

2122020000123 is a deficient number, since it is larger than the sum of its proper divisors (707340000045).

2122020000123 is an equidigital number, since it uses as much as digits as its factorization.

2122020000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707340000044.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2122020000123 its reverse (3210000202212), we get a palindrome (5332020202335).

The spelling of 2122020000123 in words is "two trillion, one hundred twenty-two billion, twenty million, one hundred twenty-three", and thus it is an aban number.